Nagios environment variables

<div class="wp-block-image"><figure class="aligncenter is-resized"><img src="https://i2.wp.com/www.theurbanpenguin.com/wp-content/uploads/2016/09/nagios-core.png?resize=300%2C124&ssl=1" alt="" width="310" height="310"/></figure></div> <p class="wp-block-paragraph">As soon as Nagios is managed by systemd, you have to change the passing environment variables from /etc/sysconfig/nagios to systemd</p> <p class="wp-block-paragraph">Edit the file</p> <pre class="EnlighterJSRAW" data-enlighter-language="generic" data-enlighter-theme="" data-enlighter-highlight="" data-enlighter-linenumbers="" data-enlighter-lineoffset="" data-enlighter-title="" data-enlighter-group="">$ vi /etc/systemd/system/multi-user.target.wants/nagios.service</pre> <p class="wp-block-paragraph">Add <strong>Environment=””</strong> or <strong>EnvironmentFile=””</strong> to [<strong>service</strong>] section</p> <pre class="EnlighterJSRAW" data-enlighter-language="generic" data-enlighter-theme="" data-enlighter-highlight="" data-enlighter-linenumbers="" data-enlighter-lineoffset="" data-enlighter-title="" data-enlighter-group="">[Service] Type=forking ExecStartPre=/usr/sbin/nagios -v /etc/nagios/nagios.cfg ExecStart=/usr/sbin/nagios -d /etc/nagios/nagios.cfg ExecStop=/usr/bin/kill -s TERM ${MAINPID} ExecStopPost=/usr/bin/rm -f /var/spool/nagios/cmd/nagios.cmd ExecReload=/usr/bin/kill -s HUP ${MAINPID} Environment="PYTHONHTTPSVERIFY=1"</pre> <p class="wp-block-paragraph">Restart systemd and nagios</p> <pre class="EnlighterJSRAW" data-enlighter-language="generic" data-enlighter-theme="" data-enlighter-highlight="" data-enlighter-linenumbers="" data-enlighter-lineoffset="" data-enlighter-title="" data-enlighter-group="">$ sudo systemctl daemon-reload $ sudo systemctl restart nagios</pre> <p class="wp-block-paragraph">Check the process environment</p> <pre class="EnlighterJSRAW" data-enlighter-language="generic" data-enlighter-theme="" data-enlighter-highlight="" data-enlighter-linenumbers="" data-enlighter-lineoffset="" data-enlighter-title="" data-enlighter-group="">$ cat /proc/30195/environ LANG=en_US.UTF-8PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/binPYTHONHTTPSVERIFY=1 $</pre> <p class="wp-block-paragraph">That will pass all variables into Nagios daemon</p> <blockquote class="wp-block-quote is-layout-flow wp-block-quote-is-layout-flow"><p><em>Nagios, the Nagios logo, and Nagios graphics are the servicemarks, trademarks, or registered trademarks owned by Nagios Enterprises. </em></p></blockquote> <p class="wp-block-paragraph"><a href="https://www.vkafed.com/contacts/">Let me know</a> if you have any issues with monitoring. Will be glad to help :-)</p>

$ vi /etc/systemd/system/multi-user.target.wants/nagios.service

[Service]
Type=forking
ExecStartPre=/usr/sbin/nagios -v /etc/nagios/nagios.cfg
ExecStart=/usr/sbin/nagios -d /etc/nagios/nagios.cfg
ExecStop=/usr/bin/kill -s TERM ${MAINPID}
ExecStopPost=/usr/bin/rm -f /var/spool/nagios/cmd/nagios.cmd
ExecReload=/usr/bin/kill -s HUP ${MAINPID}
Environment="PYTHONHTTPSVERIFY=1"

$ sudo systemctl daemon-reload
$ sudo systemctl restart nagios

$ cat /proc/30195/environ
LANG=en_US.UTF-8PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/binPYTHONHTTPSVERIFY=1
$